btmrvl_sdio.h
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/**
* Marvell BT-over-SDIO driver: SDIO interface related definitions
*
* Copyright (C) 2009, Marvell International Ltd.
*
* This software file (the "File") is distributed by Marvell International
* Ltd. under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
*
**/
#define SDIO_HEADER_LEN 4
/* SD block size can not bigger than 64 due to buf size limit in firmware */
/* define SD block size for data Tx/Rx */
#define SDIO_BLOCK_SIZE 64
/* Number of blocks for firmware transfer */
#define FIRMWARE_TRANSFER_NBLOCK 2
/* This is for firmware specific length */
#define FW_EXTRA_LEN 36
#define MRVDRV_SIZE_OF_CMD_BUFFER (2 * 1024)
#define MRVDRV_BT_RX_PACKET_BUFFER_SIZE \
(HCI_MAX_FRAME_SIZE + FW_EXTRA_LEN)
#define ALLOC_BUF_SIZE (((max_t (int, MRVDRV_BT_RX_PACKET_BUFFER_SIZE, \
MRVDRV_SIZE_OF_CMD_BUFFER) + SDIO_HEADER_LEN \
+ SDIO_BLOCK_SIZE - 1) / SDIO_BLOCK_SIZE) \
* SDIO_BLOCK_SIZE)
/* The number of times to try when polling for status */
#define MAX_POLL_TRIES 100
/* Max retry number of CMD53 write */
#define MAX_WRITE_IOMEM_RETRY 2
/* register bitmasks */
#define HOST_POWER_UP BIT(1)
#define HOST_CMD53_FIN BIT(2)
#define HIM_DISABLE 0xff
#define HIM_ENABLE (BIT(0) | BIT(1))
#define UP_LD_HOST_INT_STATUS BIT(0)
#define DN_LD_HOST_INT_STATUS BIT(1)
#define DN_LD_CARD_RDY BIT(0)
#define CARD_IO_READY BIT(3)
#define FIRMWARE_READY 0xfedc
struct btmrvl_sdio_card_reg {
u8 cfg;
u8 host_int_mask;
u8 host_intstatus;
u8 card_status;
u8 sq_read_base_addr_a0;
u8 sq_read_base_addr_a1;
u8 card_revision;
u8 card_fw_status0;
u8 card_fw_status1;
u8 card_rx_len;
u8 card_rx_unit;
u8 io_port_0;
u8 io_port_1;
u8 io_port_2;
};
struct btmrvl_sdio_card {
struct sdio_func *func;
u32 ioport;
const char *helper;
const char *firmware;
const struct btmrvl_sdio_card_reg *reg;
u16 sd_blksz_fw_dl;
u8 rx_unit;
struct btmrvl_private *priv;
};
struct btmrvl_sdio_device {
const char *helper;
const char *firmware;
const struct btmrvl_sdio_card_reg *reg;
u16 sd_blksz_fw_dl;
};
/* Platform specific DMA alignment */
#define BTSDIO_DMA_ALIGN 8
/* Macros for Data Alignment : size */
#define ALIGN_SZ(p, a) \
(((p) + ((a) - 1)) & ~((a) - 1))
/* Macros for Data Alignment : address */
#define ALIGN_ADDR(p, a) \
((((unsigned long)(p)) + (((unsigned long)(a)) - 1)) & \
~(((unsigned long)(a)) - 1))